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Pavlova-9 [17]
4 years ago
8

What are ionic bonds? A.Bonds that form when any two atoms come in contact .B.Chemical bonds that form from the attraction of ne

gative and positive ions .C.Chemical bonds that form when atoms share electrons equally .D.Chemical bonds that form when atoms share electrons unequally
Physics
1 answer:
Shtirlitz [24]4 years ago
3 0

Answer:

B

Explanation:

B would be the best answer because an ionic bond occurs usually between a metal and a non-metal. An electron transfer occurs in an ionic bonds because one of the atoms pulls the other atoms electrons so strongly that it basically steals it. Since electrons are negative, the atom that stole the electron become a negatively charged ion, and the one that was stolen from is positive because it has less electrons than protons (+), so they form a positive and negative ion which attract each other.

Opposite charges attract.

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Are you country or city
natta225 [31]

Answer:

<h3>I am country and my motherland is Nepal.</h3><h3>hope it helps you have a good day keep smiling be happy stay safe.</h3>

<h3 />

3 0
3 years ago
a rocket has a mass 250(10^3) slugs on earth. Specify its mass in si units and its weight in si unites. if the rocket is on the
Katena32 [7]

Answer:

W_{earth} = 35.74 * 10^6 N : Rocket weight on earth

W_{moon} = 5.91 * 10^6 N : Rocket weight on moon

Explanation:

Conceptual analysis

Weight is the force with which a body is attracted due to the action of gravity and is calculated using the following formula:

W = m × g Formula (1)

W: weight

m: mass

g: acceleration due to gravity

The mass of a body on the moon is equal to the mass of a body on the earth

The acceleration due to gravity on a body is different on the moon and on the earth

Equivalences

1 slug = 14.59 kg

Known data

m_{earth} = m_{moon} = 250 * 10^3 slug = 250* 10^3slug * \frac{14.59kg}{1slug} = 3647.5* 10^3 kg

g_{moon}= 1.62 \frac{m}{s^2}

g_{earth}= 9.8 \frac{m}{s^2}

Problem development

To calculate the weight of the rocket on the moon and on earth we replace the data in formula (1):

W_{earth} = 3647.5* 10^3 kg * 9.8 \frac{m}{s^2} = 35.74 * 10^6 N : Rocket weight on earth

W_{moon} = 3647.5* 10^3 kg * 1.62 \frac{m}{s^2} = 5.91 * 10^6 N : Rocket weight on moon

7 0
4 years ago
Select all that apply. The three types of rock in the Earth's crust are _____.
ale4655 [162]
1, 5 and 6 are the rocks your looking for, they make up the other ones on your list

7 0
3 years ago
One of the explorers is able to jump a maximum distance of 19.5 m with an initial speed of 2.80 m/s. Find the gravitational acce
BlackZzzverrR [31]

Answer:

0.2 m/s^2

Explanation:

Maximum distance, h = 19.5 m

initial speed, u = 2.80 m/s

final speed, v = 0 m/s

Let the gravitational acceleration is a.

Use third equation of motion

v^{2}=u^{2}-2\times a\times h

0^{2}=2.80^{2}-2\times a\19.5

2\times a\19.5=7.84

a = 0.2 m/s^2

Thus the gravitational acceleration on the exoplanet is 0.2 m/s^2

8 0
3 years ago
Mariyam, a marine biologist, measures the length of a great white shark at 4.5 m long and its teeth at an average of 50 mm long.
TiliK225 [7]
The length should be 450 cm 
and tooth length should be 0.45 cm i believe

hope i was able to help out!!! :)
5 0
3 years ago
Read 2 more answers
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